<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>@yield('title')</title>
    <!-- 引入Bootstrap CSS -->
    <link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
    <div class="container">
        <header class="page-header">
            <h1>课堂反馈系统 <small>教师端</small></h1>
        </header>
        
        <nav class="navbar navbar-default">
            <div class="container-fluid">
                <div class="navbar-header">
                    <a class="navbar-brand" href="{{ route('teacher.classes') }}">班级管理</a>
                </div>
            </div>
        </nav>
        
        <main>
            @yield('content')
        </main>
    </div>

    <!-- 引入jQuery和Bootstrap JS -->
    <script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js"></script>
    <script src="https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</body>
</html>
